docker.yml

name: Docker
on:
  push:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Compute image tag name
        run: echo "IMAGE_TAG=$(date -u '+%Y%m%d-%H%M%S')" >> $GITHUB_ENV

      - name: Checkout code
        uses: actions/checkout@v3

      - name: Login to Dockerhub
        uses: docker/login-action@v2
        with:
          registry: registry.hub.docker.com
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build image
        uses: docker/build-push-action@v4
        with:
          context: .
          platforms: linux/amd64
          push: true
          build-args: |
            GITHUB_SHA=${{ github.sha }}
          tags: |
            registry.hub.docker.com/wuhan005/elaina:${{ env.IMAGE_TAG }}
            registry.hub.docker.com/wuhan005/elaina:latest